Home / 925,412.04-1,387,602.36-285,534.18

Finding the Fourth Proportional to 925,412.04, 1,387,602.36 and 285,534.18

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Solution

The fourth proportional to 925,412.04, 1,387,602.36 and 285,534.18 is: 428,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,412.04 : 1,387,602.36 = 285,534.18 : x
  2. Step 2: Convert to fraction form
    925,412.04/1,387,602.36 = 285,534.18/x
  3. Step 3: Cross multiply
    925,412.04x = 1,387,602.36 × 285,534.18
  4. Step 4: Simplify right side
    925,412.04x = 396,207,902,028.67
  5. Step 5: Solve for x
    x = 396,207,902,028.67/925,412.04
  6. Step 6: Final answer
    x = 428,142.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.